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WorksheetsAP Biology Unit 2 Gold Quiz
Total questions: 67
Worksheet time: 2hrs 53mins
1.) They act like gatekeepers, only let certain things in.
2.) Enzyme receptors embedded in the membrane.
when some molecules can cross the membrane while others cannot.
When particles move from low to high concentration
Passive Transport
Active Transport
Your gums are swollen. How will rinsing with warm salt water help the swelling?
swollen gums will absorb the salt
salt lowers the temp
salt goes against the concentration gradient
water in the gums will diffuse out of the cells
Where are lipids formed?
Rough ER
Smooth ER
Nucleus
Ribosomes
Which of the following cells contain the highest water potential?
A
B
C
D
The _____ is a densely packed area in a cell that contains the genetic material - DNA - for controlling the cell's activities.
Chloroplast
Nucleus
Mitochondria
Vacuole
These organelles convert the energy in food molecules to a form the cell can use.
Chloroplasts
Mitochondria
Lysosomes
Ribosomes
These tiny cell structures assemble protein molecules from amino acids.
Carbohydrates
Lipids
Nucleic Acids
Ribosomes
What is the following equation used to find: -iCRT
water potential
solute potential
cell potential
electrical potential
In an open container, the pressure potential is _____________.
1
2
3
0
For a cell in an open container, the solute potential is _____________ the water potential.
less than
greater than
equal to
not related to
If a plant cell’s ΨP=3.2 bars and its ΨS=-4.3 bars, what is the resulting Ψ?
-1.1
1.1
7.5
13.76
The value for Ψ in root tissue was found to be -1.2 bars. If you place the root tissue in a 0.1 M solution of sucrose at 20°C in an open beaker, what is the Ψ of the solution? (R=0.0831 liter-bars/mole K, K=C +273)
-2.43
2.43
1.43
-0.33
The plant cell with a Ψ of -1.1 is placed in a beaker of sugar water with ΨS of -2.3 bars. In which direction will the net flow of water be?
inside the cell
outside the cell
no direction because the cell is at equilibrium
There is not enough information to answer this question.
The value for Ψ in root tissue was found to be -1.2 bars. If you place the root tissue in a 0.1 M solution of sucrose at 20°C in an open beaker, what is the Ψ of the solution, and in which direction would the net flow of water be? (R=0.0831 liter-bars/mole K, K=C +273)
inside the roots
outside the roots
The roots are at equilibrium with the solution.
There is not enough information to calculate the solution to this problem.
Which way will the water move if the Ψ inside the cell is -3.8 and the Ψ outside the cell is -1.2?
outside the cell
inside the cell
The water will not move because the cell is at equilibrium with its environment.
There is not enough information to answer this question.
Which way will the water move if the Ψ inside the cell is -2.2 and the Ψ outside the cell is -1.2?
outside the cell
inside the cell
The water will not move because the cell is at equilibrium with its environment.
There is not enough information to answer this question.
Which way will the water move if the Ψ inside the cell is -2.2 and the Ψ outside the cell is -2.2?
outside the cell
inside the cell
The water will not move because the cell is at equilibrium with its environment.
There is not enough information to answer this question.
